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Technique may help stem cells generate solid organs, Stanford study shows

March 2, 2009

Stem cells can thrive in segments of well-vascularized tissue temporarily removed from laboratory animals, say researchers at the Stanford University School of Medicine. Once the cells have nestled into the tissue's nooks and crannies, the so-called "bioscaffold" can then be seamlessly reconnected to the animal's circulatory system.

Research uncovers promising target to treat chronic abdominal pain

March 2, 2009

COLUMBUS, Ohio - High levels of a protein linked to the way pain signals are sent to the brain led to a decrease in abdominal pain in a recent study in mice.

Researchers say the finding suggests the protein might someday serve as the basis of new treatments for chronic pain associated with a number of bowel disorders.

New origin found for a critical immune response

March 1, 2009

DURHAM, N.C. - An immune system response that is critical to the first stages of fighting off viruses and harmful bacteria comes from an entirely different direction than most scientists had thought, according to a finding by researchers at the Duke University Medical Center.

Vitamin A signals offer clues to treating autoimmunity

March 1, 2009

Distributed around the body, dendritic cells act as the security alarms of the immune system. After sensing the presence of intruders, dendritic cells can transmit the alarm to white blood cells or tell them to relax, depending on the signals they send out.

No differences in survival or neonatal outcomes in pregnancy-associated colorectal cancer

February 26, 2009

In one of the first studies to examine maternal and newborn health risks and colorectal cancer, UC Davis researchers have found that women diagnosed with the disease during or shortly after their pregnancies have the same survival as women who have the disease and are not pregnant.

Predicting risk of stroke from one's genetic blueprint

February 25, 2009

A new statistical model could be used to predict an individual's lifetime risk of stroke, finds a study from the Children's Hospital Informatics Program (CHIP). Using genetic information from 569 hospital patients, the researchers showed that their predictive model could estimate an individual's overall risk of cardioembolic stroke -- the most common form of stroke -- with 86 percent accuracy.

UT Southwestern researchers identify molecule that helps the sleep-deprived to mentally rebound

February 23, 2009

Sleep experts know that the mental clarity lost because of a few sleepless nights can often be restored with a good night's rest. Now, UT Southwestern Medical Center researchers have identified a key molecular mechanism that regulates the brain's ability to mentally compensate for sleep deprivation.

Vitamin supplements may protect against noise-induced hearing loss

February 17, 2009

Vitamin supplements can prevent hearing loss in laboratory animals, according to two new studies, bringing investigators one step closer to the development of a pill that could stave off noise-induced and perhaps even age-related hearing loss in humans.

Hallucinogen activates mysterious receptor

February 12, 2009

A hallucinogenic compound found in a plant indigenous to South America and used in shamanic rituals regulates a mysterious protein that is abundant throughout the body, University of Wisconsin-Madison researchers have discovered.

Researchers crack the code of the common cold

February 12, 2009

Scientists have begun to solve some of the mysteries of the common cold by putting together the pieces of the genetic codes for all the known strains of the human rhinovirus.

Marijuana use linked to increased risk of testicular cancer

February 9, 2009

Frequent and/or long-term marijuana use may significantly increase a man's risk of developing the most aggressive type of testicular cancer, according to a study by researchers at Fred Hutchinson Cancer Research Center.

$80 million per year 'brain exercise' industry a crock?

February 9, 2009

A new study from Lifespan evaluated the research to date on the impact of cognitive training on the healthy elderly population.

Mom's pre-teen years can affect offspring's brain

February 6, 2009

A mother's life experience can affect the biology of her offspring, according to new animal research in the February 4 issue of The Journal of Neuroscience.

Fat-free diet reduces liver fat in fat-free mice

February 6, 2009

Researchers at UT Southwestern Medical Center have uncovered crucial clues about a paradoxical disease in which patients with no body fat develop many of the health complications usually found in obese people.

Effects of smoking linked to accelerated aging protein

February 6, 2009

A University of Iowa study is apparently the first to make a connection between a rare, hereditary premature aging disease and cell damage that comes from smoking. The study results point to possible therapeutic targets for smoking-related diseases.



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